15150013890 has 64 divisors (see below), whose sum is σ = 39681843840. Its totient is φ = 3671216640.

The previous prime is 15150013889. The next prime is 15150013897. The reversal of 15150013890 is 9831005151.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (15150013897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934776 + ... + 950844.

It is an arithmetic number, because the mean of its divisors is an integer number (620028810).

Almost surely, 2^15150013890 is an apocalyptic number.

15150013890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15150013890 is an abundant number, since it is smaller than the sum of its proper divisors (24531829950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15150013890 is a wasteful number, since it uses less digits than its factorization.

15150013890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 15150013890 in words is "fifteen billion, one hundred fifty million, thirteen thousand, eight hundred ninety".